Planning a budget for organizing heating and maintaining its performance is one of the priorities for the owner. It is the cost part that is the main limitation when choosing heating equipment and components. What is a heating system estimate for: installation, pressure testing, flushing, repair?
Rules for drawing up estimates for heating maintenance
It is almost impossible to foresee all costs to the nearest ruble when planning heating. But a correctly drawn up estimate for heating installation will help determine the approximate amount of costs.
To correctly formulate a list of current costs, a deep primary analysis and, in some way, marketing research of the market for services and materials is required. These activities should begin before purchasing equipment and components. The estimate for installation of a heating system includes the following items:
- Consumables and equipment– boiler, expansion tank, circulation pump, pipes, etc.;
- Installation cost– specialist services, adaptation of the house for heating installation;
- Preparatory work for testing and launching the system– filling with coolant, pressure testing, adjustment of control devices and safety groups.
In fact, the resulting estimate for heating a private home will consist of several documents - a description of installation costs, materials (equipment and components) as well as services for starting the heating supply. Despite the fact that you can do some of them yourself, it is recommended to take these costs into account.
Structurally, a sample heating estimate should consist of the name of the costs, a description of their characteristics and features, the cost per unit, the required quantity and the total amount.
A separate document must be drawn up for each type of work. Thus, the estimate for pressure testing of the heating system will include unique measures unique to this procedure. Therefore, it is recommended to first familiarize yourself with the nuances of drawing up estimates of various types.
To draw up an estimate, you can use any standard form. It is only important to decide on its content – the list of materials and services.
Installation estimate for heat supply
This selection of components for the future heating system is one of the most important. In practice, problems begin at the stage of selecting the main components of the system - the boiler and radiators.
In an effort to save as much as possible, the cheapest models are purchased. However, their nominal characteristics do not correspond to the calculated ones. As a result, this leads to a significant decrease in system efficiency.
How to avoid such a situation? It is necessary to correctly calculate the costs of organizing heat supply. To do this, you will need an estimate for the installation of heating and the purchase of components. Its correct compilation is only possible if you follow these recommendations:
- Calculation of heating depending on the current parameters of the building (heat losses), type of energy carrier (gas, solid fuel, diesel, etc.). The required heating power for each room in the building is also calculated.
- Based on the data obtained, a list of equipment is compiled - heating boiler, radiators, safety group (air vent, expansion tank, thermostats) and pipelines. The type of the latter largely influences the heating installation estimate. Polymer lines can be installed independently, while steel lines are installed with the help of specialists.
- Market monitoring is carried out, as a result of which heat supply components that are optimal in cost and technical characteristics are selected.
- The cost estimates for the installation of the heating system are filled in: the cost of equipment, transportation costs and installation work.
Accepted samples of heating estimates may have different formats. The main thing is that it is convenient for the compiler to fill them out and subsequently use them as the main financial document for planning purchases.
When involving third parties (organizations) in the installation of heating, it is necessary to agree in advance on all items of the estimate in order to avoid further inconsistencies, both financially and technically.
Formation of estimates for heating system maintenance
What is the difference between an estimate for repairing a heating system and a document for installation work? First of all, at significantly lower costs. However, in this case, special attention must be paid to the selection of consumables. They must be adapted to the current system. First, an analysis of future repair costs is performed. To do this, the area of the heat supply problem is determined and materials are selected to eliminate it. Unlike estimates for heating installations, consumable components cannot have a wide range. So, for chemical flushing of pipes it is necessary to use a special liquid, finding an analogue of which will be problematic.
In general, when creating an estimate for repairing a heating system, you should be guided by the following rules:
- The technical and operational parameters of the replaced components must fully correspond to the old ones that are out of order. For example, when replacing a piece of plastic pipe, you should choose the same one, made of a similar material and having the same geometric dimensions;
- In addition to the cost of new components, an estimate for their installation in heating is filled out;
- Transportation costs and services of repair specialists must be taken into account.
Often, repair estimates for the heating of a private home contain components that are purchased “in reserve.” A specialist can identify “weak” points in the heating supply and advise you to buy the most necessary components to carry out prompt repairs.
Drawing up an estimate for the restoration of the heating system is most often carried out after the repairs have been completed. To fill it out correctly, you should keep a draft version of the document, which indicates all services and materials.
Estimate for flushing pipes and heating radiators
The heating supply must be cleaned of accumulated dirt and limescale deposits at least once every 3-4 years. This depends on the composition of the coolant and the material used to make the radiator pipes. For steel models, the frequency is less, since a corrosion layer is formed on their inner surface.
A correctly formed estimate for heating flushing directly depends on the chosen technology. When chemical cleaning occurs, most of the costs will be a special composition. For a hydraulic system, the estimate for flushing the heating must indicate the cost (rent) of the apparatus to perform this work.
Features of filling out this type of document include the following:
- The costs of analyzing the degree of contamination of the pipeline and radiators must be taken into account. Without this, the estimate for cleaning the heating will not be complete;
- After all preventive measures have been completed, the current state of the system is checked;
- The costs of disposal of contaminated liquid are taken into account. If the work is performed by a specialized company, this item is most often not indicated in the flushing estimate for the heat supply of a private house.
A separate category of work is flushing the boiler heat exchanger. Just as when filling out an estimate for installing a heating system, additional costs will include work on disassembling and assembling the heating device. It is not recommended to flush the heat exchanger using a flow method.
For greater efficiency, it is necessary to clean the entire heating system, and not its individual parts. This will increase the cost, but will also significantly increase the efficiency of the system.
Estimate for pressure testing of heat supply lines
After installation, repair work or before filling the system, it is necessary to perform a pressure test. Its meaning is to create excess pressure inside pipes and radiators (1.25 times higher than nominal) to search for a possible break and check the tightness of the entire heating supply.
The estimate for pressure testing of the heating system must indicate the type of work performed. It can be carried out hydraulically or by air. It is preferable to choose the first one, since with its help it is easier to identify microcracks or incorrectly installed fittings.
Cost calculation turnkey heating systems with an area of 300 sq.m. with weather-compensating automation and an outside temperature sensor.
Boiler room with weather-compensating automation and outside temperature sensor
Estimate for installation of boiler equipment, radiator heating system, "Warm Floor" system, boiler, hot water recirculation
We present this calculation cottage heating costs with only one purpose, so that you get acquainted with our prices for heating installation and place an order for the supply of equipment and heating installation work from us. You can also see the cost of heating system work on another page "". An example is given there home heating costs 450 m2.
How to make the calculation correctly? How to buy heating? Of course, you need to familiarize yourself with the calculation of the heating system (which is given below). It consists of the cost of boiler equipment plus the cost of radiators, pipes, fittings, shut-off valves. We add it all up and it turns out cottage heating cost heating installation cost heating installation cost.
Free heating system calculation!
But plumbing work in the house does not end with heating. It is necessary to install both water supply and sewerage. Below we provide prices for heating work, as well as the cost of water supply and sewerage.
Heating prices
Basic boiler equipment
| № p.p. |
Name | Unit change | Col. | Price, ye. |
Price, ye. |
| 1 | Gas boiler BAXI SLIM, power 50 kW with atmospheric burner, cast iron heat exchanger, electronic flame modulation (constant supply temperature mode for the boiler circuit) | PC. | 1 | 1267 | 1267 |
| 2 | Elfatherm E8 0631 control unit (controls the operation of the burner, controls the operation of 2 heating circuits, a heated floor circuit and one DHW circuit) | PC. | 1 | 490 | 490 |
| 3 | Temperature sensor FBR-1 | PC. | 2 | 51 | 102 |
| 4 | Boiler safety group 1" with connecting elbow | PC. | 1 | 73 | 73 |
| 5 | Detachable ball valve 1 1/2 inches | PC. | 3 | 36,5 | 109,5 |
| 6 | Dirt filter 1 1/2" | PC. | 1 | 18 | 18 |
| 7 | Ball valve 1" shut-off and drain. | PC. | 1 | 9,78 | 9,78 |
| 8 | Electric cabinet 8-modular. | PC. | 2 | 23 | 23 |
| 9 | Automatic 1f 6A. | PC. | 6 | 3,62 | 21,72 |
| 10 | PVS cable 3x1.5. | m. | 40 | 0,59 | 23,6 |
| 11 | Expansion tank V = 50 l. | PC. | 1 | 70 | 70 |
| 12 | Ball valve 1". | PC. | 1 | 9,78 | 9,78 |
| 13 | Metal gas supply 1" | PC. | 1 | 57 | 57 |
| 14 | Metal ball valve for gas, 1" r.v.-r.v. | PC. | 1 | 11,34 | 11,34 |
| 15 | Pipes, fittings, consumables materials. | set | 1 | 43 | 43 |
| 2328.72 | |||||
Boiler room equipment for heating systems
| № p.p. |
Name | Unit change | Col. | Price, ye. |
Price, ye. |
| 16 | Manifold "C70 R" 11/4"x11/2" in thermal insulation for 3 circuits. | PC. | 1 | 114 | 114 |
| 17 | Manifold mounting kit. | set | 1 | 4,48 | 4,48 |
| 18 | Ball valve 3/4" for draining and recharging the system. | PC. | 2 | 6,39 | 12,78 |
| 19 | Detachable coupling met. 1 1/2" in.x.2" in. | PC. | 2 | 17,38 | 34,76 |
| 20 | Combination coupling 40-11/4" external | PC. | 2 | 9,92 | 19,84 |
| 21 | Pipes, | set | 1 | 29 | 29 |
| Cost of equipment and materials by section. | 214.86 | ||||
1 Radiator heating mixing circuit
| № p.p. |
Name | Unit change | Col. | Price, ye. |
Price, ye. |
| 22 | Pump group with 3-way mixer KMZ-125 1" | PC. | 1 | 315 | 315 |
| 23 | Circulation pump Grundfos UPS 25-80. | PC. | 1 | 172 | 172 |
| 24 | Servomotor. | PC. | 1 | 241 | 241 |
| 25 | Ball valve "minipump" 11/4x2". | PC. | 2 | 40 | 80 |
| 26 | PC. | 2 | 4,8 | 9,6 | |
| 27 | Ball valve 1/2". | PC. | 2 | 4,13 | 8,26 |
| 28 | Combined coupling 40-11/4" external | PC. | 2 | 9,92 | 19,84 |
| 29 | Pipe PN-25 d. 40. | linear m. | 8 | 4,6 | 36,8 |
| 30 | Fittings, consumables. | set | 1 | 27,5 | 27,5 |
| Cost of equipment and materials by section. | 910 | ||||
Heated floor mixing circuit
| № p.p. |
Name | Unit change | Col. | Price, ye. |
Price, ye. |
| 31 | Pump group with 3-way mixer KMZ-125/1". | PC. | 1 | 315 | 315 |
| 32 | Circulation pump Grundfos UPS 32-60. | PC. | 1 | 79,59 | 79,59 |
| 33 | Servomotor. | PC. | 1 | 240,92 | 240,92 |
| 34 | Ball valve “Minipump” 1”x11/2” | PC. | 2 | 40 | 80 |
| 35 | The air extractor is automatic. | PC. | 2 | 4,8 | 9,6 |
| 36 | Ball valve 1/2". | PC. | 2 | 4,13 | 8,26 |
| 37 | Combination coupling 32-1” o.r. | PC. | 2 | 3,44 | 6,88 |
| 38 | Pipe PN-25 d.32 | linear m. | 8 | 2,87 | 22,96 |
| 39 | Fittings, consumables. | set | 1 | 27,5 | 27,5 |
| Cost of equipment and materials by section. | 790.71 | ||||
DHW pumping circuit
| № p.p. |
Name | Unit change | Col. | Price, ye. |
Price, ye. |
| 40 | Pump group without mixer S-125 1" without pump. | PC. | 1 | 258 | 258 |
| 41 | Circulation pump Grundfos UPS 25-40. | PC. | 1 | 65,59 | 65,59 |
| 42 | Ball valve "Minipump" d.1x1 11/2" | PC. | 2 | 40 | 80 |
| 43 | Automatic air bleeder 1/2". | PC. | 2 | 4,8 | 9,6 |
| 44 | Ball valve 1/2". | PC. | 2 | 4,13 | 8,26 |
| 45 | Combination coupling 32-1" external | PC. | 2 | 3,44 | 6,88 |
| 46 | Detachable coupling 32-1" outer. | PC. | 2 | 5,9 | 11,8 |
| 47 | Pipe PN-25 d.32. | linear m. | 8 | 2,87 | 22,96 |
| 48 | Fittings, consumables. | set | 1 | 27,5 | 27,5 |
| Cost of equipment and materials by section. | 490.32 | ||||
Equipment for hot water supply system
| № p.p. |
Name | Unit change | Col. | Price, ye. |
Price, ye. |
| 49 | Boiler Drazica (enamel) V=160 l. | PC. | 1 | 397 | 397 |
| 50 | Expansion tank V=24 l 8 bar. | PC. | 1 | 59 | 59 |
| 51 | PC. | 1 | 5,56 | 5,56 | |
| 52 | Detachable coupling 25x3/4". | PC. | 2 | 4,76 | 9,52 |
| 53 | Boiler safety group 3/4" | PC. | 1 | 44,75 | 44,75 |
| 54 | Ball valve VN 1". | PC. | 2 | 9,38 | 18,76 |
| 55 | Ball valve VN d 1/2". | PC. | 1 | 4,13 | 4,13 |
| 56 | Pipe PN -25 d. 25. | linear m. | 4 | 1,84 | 7,36 |
| 57 | Detachable coupling 32-1" outer. | PC. | 2 | 5,39 | 10,78 |
| 58 | Fittings, consumables. | set | 1 | 47,5 | 47,5 |
| Cost of equipment and materials by section. | 604.36 | ||||
Equipment for hot water recycling
| № p.p. |
Name | Unit change | Col. | Price, ye. |
Price, ye. |
| 59 | Circulation pump Grundfos UP 15-14V R3 1/2"". | PC. | 1 | 196 | 196 |
| 60 | Check valve T=110 deg. C d = 3/4". | PC. | 1 | 4,78 | 4,78 |
| 61 | Metal ball valve d. 3/4" r.v.-r.v. | PC. | 2 | 5,56 | 11,12 |
| 62 | Contact thermostat | PC. | 1 | 21 | 21 | 63 | Pipe PN -25 d. 25. | linear m. | 4 | 1.84 | 7.36 |
| 64 | Detachable coupling 25x3/4". | PC. | 2 | 4.76 | 9.52 | 65 | Fittings, consumables. | set | 1 | 27.5 | 27.5 |
| Cost of equipment and materials by section. | 277.28 | ||||
| Total cost of material for boiler equipment. | 5616,25 | ||||
| Installation, packaging, delivery. | 69 000 | ||||
| Commissioning works. | 3 000 | ||||
Equipment for a radiator heating system at home
Number of radiators - 18 pcs.
Number of risers - 2 pcs.
| № p.p. |
Name | Unit change | Col. | Price, ye. |
Price, ye. |
| 1 | Steel radiator Kermi FKO220504  |
PC. | 3 | 56 | 168 |
| 2 | Steel radiator Kermi FKO220505. | PC. | 4 | 71 | 284 |
| 3 | Steel radiator Kermi FKO220506  |
PC. | 4 | 74 | 296 |
| 4 | PC. | 3 | 89 | 267 | |
| 5 | Steel radiator Kermi FKO220510  |
PC. | 1 | 101 | 101 |
| 6 | Steel radiator Kermi FKO220511. | PC. | 3 | 110 | 330 |
| 7 | Angle valve 1/2". | PC. | 18 | 6,1 | 109,8 |
| 8 | PC. | 18 | 5,44 | 97,92 | |
| 9 | Combination corner with transition to metal 20x1/2". | PC. | 18 | 1,9 | 34,2 |
| 10 | Pipe PN-25 d.40. | linear m. | 16 | 5,16 | 82,56 |
| 11 | Pipe PN-25 d.32. | linear m. | 76 | 2,87 | 218,12 |
| 12 | Pipe PN-25 d.25. | linear m. | 108 | 1,84 | 198,72 |
| 13 | Pipe PN-25 d.20. | linear m. | 65 | 1,25 | 81,25 |
| 14 | Energoflex insulation d.42/9. | m. | 16 | 39 | 624 |
| 15 | Insulation Energoflex d.35/9. | linear m. | 76 | 34 | 2 584 |
| 16 | Insulation Energoflex d.25/9. | m. | 108 | 29 | 3 132 |
| 17 | Insulation Energoflex d.22/9. | linear m. | 65 | 24 | 1560 |
| 18 | Fittings (angles, couplings, tees, contours, transitions), consumables. | set | 1 | 155 | 155 |
| Total equipment and materials. ye | 2423,57 | ||||
| Total equipment and materials. rub | 7900 | ||||
| Installation of heating system (radiators). | PC. | 18 | 3 800 | 68400 | |
How to buy heating? Of course, you need to familiarize yourself with turnkey heating cost calculation(which is given above). It consists of the cost of boiler equipment plus the cost of radiators, pipes, fittings, shut-off valves. We add it all up and it turns out cottage heating cost. And of course we must add to this heating installation cost. But if you already have materials for heating your home, then you just need to familiarize yourself with heating installation cost.
But plumbing work in the house does not end with heating. It is necessary to install both water supply and sewerage. Below we present the cost of water supply and sewerage, along with installation and plumbing work.
Piping in bathrooms and kitchens.
Number of bathrooms - 1 pc.
Number of plumbing fixtures - 9 pcs.
Number of heated towel rails - 2 pcs.
Number of fan risers - 1 pc.
| № p.p. |
Name | Unit change | Col. | Price, ye. |
Price, ye. |
| 1 | Pipe PPRS PN-20 d. 20. | linear m. | 30 | 0,71 | 21,3 |
| 2 | Pipe PPRS PN-20 d. 25. | linear m. | 30 | 1,19 | 35,7 |
| 3 | Angle with metal cutter inside. and strengthened 20x1/2" | PC. | 18 | 2,1 | 37,8 |
| 4 | Plug 1/2" | PC. | 18 | 0,63 | 11,34 | 5 | Thermal insulation Energoflex 22/13. | m. | 30 | 24 | 720 |
| 6 | Thermal insulation Energoflex 25/13. | m. | 20 | 29 | 580 |
| Total materials for water distribution ue. | set | 1 | 106,14 | 106,14 | |
| Total materials for water distribution rub. | set | 1 | 1300 | 1300 | |
| Cost of installation over water. | PC. | 18 | 1 700 | 30600 | |
| Passing the foundation walls | PC. | 3 | 1 000 | 3 000 | |
Sewerage
| № p.p. |
Name | Unit change | Col. | Price, rub. |
Price, rub. |
| 1 | Tee PP 50x50 45 gr. | PC. | 4 | 67 | 268 |
| 2 | Tee PP 50x50 87 gr. | PC. | 4 | 67 | 268 |
| 3 | Tee PP 110x110 45 gr. | PC. | 5 | 96 | 480 |
| 4 | Tee PP 110x110 87 gr. | PC. | 4 | 96 | 384 | 5 | Tee PP 110x50 45 gr. | PC. | 3 | 90 | 270 |
| 6 | PP elbow D110 mm 45 gr. | PC. | 7 | 52 | 364 |
| 7 | PP elbow D110 mm 87 gr. | PC. | 8 | 52 | 416 |
| 8 | PP elbow D50 mm 45 gr. | PC. | 10 | 30 | 300 |
| 9 | PP elbow D50 mm 87 g. | PC. | 10 | 30 | 300 |
| 10 | Revision of PP D110 mm. | PC. | 2 | 115 | 230 |
| 11 | Revision of PP D50 mm. | PC. | 2 | 54 | 108 |
| 12 | Transition eccentric PP 110x50 mm. | PC. | 4 | 44 | 176 |
| 13 | PP pipe D50 L250 mm. | PC. | 5 | 51 | 255 |
| 14 | PP pipe D50 L500 mm. | PC. | 5 | 54 | 270 |
| 15 | PP pipe D50 L1000 mm. | PC. | 3 | 67 | 201 |
| 16 | PP pipe D50 L2000 mm. | PC. | 3 | 173 | 519 |
| 17 | PP pipe D100 L250 mm. | PC. | 4 | 81 | 324 |
| 18 | PP pipe D100 L500 mm. | PC. | 4 | 89 | 356 |
| 19 | PP pipe D100 L1000 mm. | PC. | 4 | 250 | 1 000 |
| 20 | PP pipe D100 L2000 mm. | PC. | 8 | 320 | 2 560 |
| 21 | Rubber-metal fasteners. 50. | PC. | 12 | 90 | 1 080 |
| 22 | Rubber-metal fasteners. 100. | PC. | 10 | 100 | 1 000 |
| 23 | Consumables. | PC. | 1 | 1 500 | 1 500 |
| Total materials for sewerage installation. | 12 629 | ||||
| Cost of equipment, delivery, installation of sewerage. | PC. | 11 | 1200 | 13 200 | |
| Drilling sewer holes. | PC. | 4 | 100 | 4 000 | |
| Total for sewerage. | 29 829 | ||||
| The total work for heating a luxury home (weather-compensated automation, without heated floors) is: | 36.3 ue/m2 | ||||
General estimate
| № p.p. |
Name | Equipment and materials, rubles | Equipment and materials cu, 79.63 rubles each. | Installation and operation | Total according to the estimate, rub. |
| 2 | Radiators in the house | 7900 | 2423,57 | 68400 | 76300 |
| 3 | Floor boiler | 0 | 5616,25 | 72000 | 72000 |
| 4 | Water and sewerage | 13929 | 106,14 | 56300 | 70229 |
| Total | 21829 | 8145,96 | 196700 | 218529 | |
| 867191 | |||||
General estimate for a cottage 300 m2
Home heating calculation (economy class)
The house is wooden, two-story.
Equipment for a radiator heating system for a house S = 140 sq.m.
Number of radiators - 11 pcs.
Number of risers - 2 pcs.
| № p.p. |
Name | Unit change | Col. | Price, rub. |
Price, rub. |
| 1 | Steel radiator Kermi FKO220504. | PC. | 2 | 2 500 | 5 000 |
| 2 | Steel radiator Kermi FKO220506. | PC. | 4 | 3 100 | 12 400 |
| 3 | Steel radiator Kermi FKO220507. | PC. | 2 | 3 300 | 6 600 |
| 4 | Steel radiator Kermi FKO220508. | PC. | 1 | 3 550 | 3 550 | 5 | Steel radiator Kermi FKO220509. | PC. | 1 | 3 900 | 3 900 |
| 6 | Steel radiator Kermi FKO2205010. | PC. | 1 | 4 250 | 4 250 |
| 7 | Angled thermal valve 1/2". | PC. | 11 | 290 | 3 190 |
| 8 | Angle shut-off valve 1/2". | PC. | 11 | 270 | 2 970 |
| 9 | Combined corner with transition to metal 20x1/2" r.n. | PC. | 24 | 55 | 1 320 |
| 10 | Pipe PN-25 d.32. | m. | 30 | 150 | 4500 |
| 11 | Pipe PN-25 d.25. | m. | 77 | 95 | 7 315 |
| 12 | Pipe PN-25 d.20. | m. | 80 | 70 | 5 600 |
| 13 | Fittings, consumables. | set | 1 | 7 000 | 7 000 |
| Total equipment and materials. | 67 595 | ||||
| Heating system installation. | PC. | 11 | 3000 | 33 000 | |
| Passing walls and ceilings. | PC. | 16 | 350 | 5 600 | |
| Delivery. | 3 000 | ||||
| Total for the home heating system. | 109 195 | ||||
| The estimate does not take into account the cost of the coolant. | lit. | 80 | 60 | 4 800 | |
Specification of equipment and materials for the boiler room.
As a rule, space heating systems are installed after the construction of the capital elements of the building is completed. It is at this time that a local estimate for heating is drawn up, which includes all costs associated with the installation of heating devices, laying pipelines and installation of peripheral elements.
And although heating estimates are mostly prepared by authorized organizations, in this article we will describe the general principles of their development. This will allow you to get an idea of the cost structure even before the start of installation work, which means it will make it possible to optimize costs.
Preliminary stage
As we noted earlier, the estimate for heating installation is drawn up upon completion of the main work on the construction or repair of the building. But it must be taken into account that to install the heating system, certain preliminary operations must be performed.
Such operations include:
- Installation of embedded elements in permanent building structures (walls, partitions, ceilings).
- Arrangement of effective ventilation.
- Arrangement of chimney shafts or allocation of areas for laying chimneys (for a country house).
Note!
At the time of laying the heating circuits of the room, it is necessary to leave a number of finishing works without completion.
For example, laying screeds, plastering walls and finishing are not carried out.
The cost of all operations is not included in the heating estimate, since they relate to capital construction.
Sequence of estimate formation
Design work
The first stage of any operation is drawing up a project, and a home heating system should in no case be an exception. Even if we plan to install several in a small country house, the planned operations must still be described in a certain way and recorded in the plans.
Note!
The heating system design is drawn up by specialized organizations that have the appropriate permits.
As a rule, the first item that includes the heating estimate is the cost of design work.
During the design it is confirmed:
- The total power of the devices required to maintain the optimal temperature in the room. In this case, both the design features of the building (thermal insulation efficiency) and the climatic characteristics of the region are taken into account.
- Type of heat generators used (electric, gas, solid fuel, etc.).
- Quantity and .
- Location, length and type of pipelines selected.
After approval of the configuration of the entire system, axonometric drawings of the laying of all circuits are made, as well as a schematic representation of the placement of heat generators, radiators, shut-off valve elements, etc. An example of such a drawing is shown in the photo.
Based on the configuration and drawings, the so-called investor estimate for the installation of the heating system is formed, i.e. preliminary calculation of financial costs.
This calculation includes:
- Cost of materials.
- Duration and nature of installation and commissioning work.
- Labor intensity of work.
In principle, an investor’s estimate can be drawn up with one’s own hands. To do this, you should use specialized programs on the Internet. In most cases, for each such program there are video and text instructions that help you understand some of the nuances of using the software.
Interaction with the contractor
If you do not plan to carry out all the work yourself, then the estimate for heating repairs or for the installation of all heating circuits is agreed upon with the organization directly involved in the installation. In this case, most likely, it will be necessary to refine and clarify the amounts indicated in the project documentation.
The contractor is provided with:
- Assignment for installation of engineering systems.
- Planned design of the facility and finishing methods.
- Drawings and accompanying documents included in the project.
Based on these documents, the final list of works, their planned duration and price are formed.
There is also the possibility of holding tenders between design organizations, when the design estimate based on the same initial data is compiled by several companies. All you have to do as a customer is choose the most attractive option.
Typical components of an estimate
What should be included in such a document? Below we provide an example of an estimate for heating (albeit without taking into account prices), which will help you get an idea of the scope of work and give you the opportunity to navigate the cost.
In addition to the mentioned design documentation, the estimate includes devices and materials:
- Heat generator (boiler, stove or fireplace).
- Heating radiators.
- Pumps for coolant distribution.
- Automatic system control devices.
- Pipelines (made of polypropylene, metal or metal-plastic).
- Fittings for corresponding pipelines.
- Shut-off valves (taps and valves).
- Materials for thermal insulation of pipelines.
The procedure for performing, the scope and cost of installation or repair work is also described:
- Installation, connection and configuration of the heat generator.
- Connecting boilers to chimneys or installing smoke exhaust systems separately.
- Connecting and laying heating circuits (sometimes this item includes work on making holes in the walls for laying pipelines).
- Installation of a "warm floor" system
- Securing and connecting radiators.
- Installation and commissioning of a system that automatically regulates the temperature in the room.
- Fare.
Of course, this is only a very approximate list, and depending on the type of system and the characteristics of the repair work, the materials and operations performed will differ. For example, very often the commissioning work is undertaken by the boiler or furnace manufacturer, which significantly reduces costs.
Conclusion
A well-prepared estimate for repairing a heating system or installing heating equipment is the key to rational spending of time and money. So it’s better to spend time on preparation, but in the end get a result that is impeccable in both price and quality.
A heating device for your own home, or other similar property, is simply vital. Otherwise, it can be considered a monument - to whom and what, this is at the choice of its creator. There are different ways to solve the problem of providing heating for your home, and one of them is to make turnkey heating.
Heating installation is quite expensive
To implement a project such as a heating device, several different approaches are practiced:
- creation of turnkey heating, when all work is performed by a third party, including design, purchase of materials and equipment, installation of the system;
- performing work on your own.
The choice of how to heat a dacha - on a turnkey basis or on their own - is made by everyone independently. However, when making such a decision, you need to weigh all the possibilities. The fact is that heating a house is generally a complex structure, and although many actually working methods and techniques have now been developed that greatly simplify this task, creating it yourself will require a lot of effort and a lot of time from you.
All elements must be taken into account in the heating scheme At the same time, if your choice is heating a turnkey country house, this only requires significant financial costs. In this case, the main difficulty will be how to find a reliable contractor and determining the cost of performing the work. As a rule, the estimate for heating a private house includes all the work carried out - design, purchase of equipment and its installation.
What should be considered when choosing a heating system
Initially, you need to decide on the choice of heating boiler, its type, power and type of fuel used. All these characteristics directly affect the cost of the boiler. Radiators, pipes and other required attributes - everything is taken into account in the heating estimate. Their selection should also be given the necessary attention.
The choice of what kind of heating system to use has a large, if not decisive, influence on determining the cost of work. It will depend on which of the well-known schemes - single-pipe or two-pipe, with forced or natural circulation, open or closed, you prefer - will depend on how much it costs to carry out heating. It is the installation scheme and the circulation method that determine the required number of pipes and their parameters, in particular the pressure at which they must operate.
As a rule, when creating turnkey heating, design work is carried out, and during their implementation, at least two mandatory calculations must be performed:
- hydraulic, which allows you to determine the diameter of the pipes and the type of pump;
- thermal engineering, which determines system parameters, possible heat losses and selection of equipment for specified requirements.
There are programs that help in designing a heating system, which have a built-in heating calculator for a private home. Such a program can be of significant help if you decide to do the heating yourself. In addition, you can use an online heating calculator for calculations - this is a fairly widespread service and free. However, it is often impossible to carry out the necessary calculations remotely, because you need to know the specific characteristics of the house, individual rooms and many other features.
Dialog window of the heating system calculation program Of course, if the owner himself uses the heating calculator, then these features are well known to him, but a representative of a third-party organization will have to go to the site and inspect the house to clarify the necessary nuances.
Installation service costs
No one can just say how much it will cost you to create a heating system. And it’s not even about the features that are outlined above in the text. These were, so to speak, technical, necessary conditions for ensuring high-quality heating of the house. In many organizations, private craftsmen have different prices for heating installations, and they depend on the location of the organization; in Moscow there are some prices, in Saratov they are different.
Installation of utility networks is 20% of the total cost of the house In any case, we can give, as an example, an estimate for heating, which should be reflected in it:
- calculation and design of the system;
- installation of heating (in accordance with the selected scheme and type of coolant circulation);
- installation of a boiler and heating batteries;
- laying (open or hidden) of the necessary pipelines;
- automation to control the heating system (if possible).
These works can be taken as a sample of the heating estimate, what it must contain, and what you need to focus on when discussing the conditions and cost of obtaining a turnkey heating system.
Considering that prices for heating work offered by different organizations can vary quite significantly, and the total cost of work exceeds tens, and sometimes hundreds of thousands of rubles, it is worth considering the choice of performers, as well as their equipment with tools, very carefully .
Your actions must fully comply with the generally accepted procedure when concluding a contract with a third-party organization, and constant monitoring of the quality and content of the work performed must be carried out. In this case, you can hope to receive a turnkey heating system of adequate quality.
It is recommended to trust the design and installation of heating systems to professionals One of the options for providing a country house with an autonomous turnkey heating system would be to transfer the order for its production to a third party. In this case, you will get rid of a lot of hassle, get a properly designed and working heating system, although the costs of its creation will be quite high.
otoplenie-doma.org
An example of calculating the cost of heating a country house
To make it easier for you to predict your heating installation costs, we will give an example calculation.
We offer a minimum estimate for heating using the example of a small house.
Conditions for calculation: 1-storey country house with a total area of 100 m2 (3 rooms). The perimeter for laying pipes (conditionally) is 40 meters + 10 meters of supply to the radiators.
A simple water heating system is installed:
single-pipe with natural circulation, powered by main gas
| EQUIPMENT AND COMPONENTS | ||||
| 1 | Wall-mounted double-circuit gas boiler Baxi Main Four 240F with digital control panel and weather-compensating automation | Boiler power 24 kW. Heating area up to 240 m2. Includes expansion tank and pump | for a unit | 22,000 rub. |
| 2 | Optional equipment | Chimney, plus possibly other | If necessary | |
| 3 | Heating pipes to radiators | Polypropylene, diameter 32mm. | 98 rub. for 1 m.p. x 40 meters (perimeter) | RUB 3,920 |
| 4 | Radiator supply pipes | Polypropylene, diameter 20mm. | 32 rub. 10 m.p. | 320 rub. |
| 5 | Accessories | - Bugatti 3/4 ball valve - adapter tee 32x20x25mm Mounting kits with battery brackets | - taps for 450 rub. (2 taps x 5 radiators) - tees 10 pcs. 24 rub. - installation. set 500 RUR x 5 | 4,500 rub. 240 rub. |
| 6 | Heating radiators. Rifar Base 500 (Russia) see radiator catalog | Heat output of 1 section = 204W. Heats 2.04 m2 of room. For 100 m2 you need 50 sections (example: 5 batteries of 10 sections each) | 1 section = 500 rub. | 25,000 rub. |
| Total equipment and components | RUB 58,480 | |||
| INSTALLATION WORK | Source: SPRUT LLC price list for home heating installation | |||
| 1 | Installation of a wall-mounted double-circuit boiler | for a unit | 15,000 rub. | |
| 2 | Installation of additional equipment (expansion tank, pump, chimney, punching holes in the wall, etc.) | If the tank and pump are included with the boiler, then there is no additional cost for their installation. | If necessary | |
| 3 | Laying pipes to radiators | 150 rub. per m.p. 50 linear meters | 7,500 rub. | |
| 4 | Installation of heating radiators, see price list for installation of heating devices | Bottom connection of radiators | 2,500 rub. per point Total 5 points | 12,500 rub. |
| 5 | Commissioning works | Connecting the heating system, checking, crimping, starting | 5,500 rub. | |
| Total installation work | 40,500 rub. | |||
| Total heating installation | RUB 98,980 |
sprut.msk.ru
Heating estimate: rational cost planning
As a rule, space heating systems are installed after the construction of the capital elements of the building is completed. It is at this time that a local estimate for heating is drawn up, which includes all costs associated with the installation of heating devices, laying pipelines and installation of peripheral elements.
And although heating estimates are mostly prepared by authorized organizations, in this article we will describe the general principles of their development. This will allow you to get an idea of the cost structure even before the start of installation work, which means it will make it possible to optimize costs.
All elements and all types of work must be taken into account!
Preliminary stage
As we noted earlier, the estimate for heating installation is drawn up upon completion of the main work on the construction or repair of the building. But it must be taken into account that to install the heating system, certain preliminary operations must be performed.
Such operations include:
Capital construction has been completed - communications can be laid
- Installation of embedded elements in permanent building structures (walls, partitions, ceilings).
- Arrangement of effective ventilation.
- Arrangement of chimney shafts or allocation of areas for laying chimneys (for a country house).
Note! At the time of laying the heating circuits of the room, it is necessary to leave a number of finishing works without completion.
For example, laying screeds, plastering walls and finishing are not carried out.
The cost of all operations is not included in the heating estimate, since they relate to capital construction.
Sequence of estimate formation
Design work
The first stage of any operation is drawing up a project, and a home heating system should in no case be an exception. Even if we plan to install several heating radiators in a small country house, the planned operations must still be described in a certain way and recorded in the plans.
Note! The heating system design is drawn up by specialized organizations that have the appropriate permits.
As a rule, the first item that includes the heating estimate is the cost of design work.
During the design it is confirmed:
- The total power of the devices required to maintain the optimal temperature in the room. In this case, both the design features of the building (thermal insulation efficiency) and the climatic characteristics of the region are taken into account.
- Type of heat generators used (electric, gas, solid fuel, etc.).
- The number and type of heating radiators used.
- Location, length and type of pipelines selected.
After approval of the configuration of the entire system, axonometric drawings of the laying of all circuits are made, as well as a schematic representation of the placement of heat generators, radiators, shut-off valve elements, etc. An example of such a drawing is shown in the photo.
Building thermal system drawing
Based on the configuration and drawings, the so-called investor estimate for the installation of the heating system is formed, i.e. preliminary calculation of financial costs.
This calculation includes:
- Cost of materials.
- Duration and nature of installation and commissioning work.
- Labor intensity of work.
In principle, an investor’s estimate can be drawn up with one’s own hands. To do this, you should use specialized programs on the Internet. In most cases, for each such program there are video and text instructions that help you understand some of the nuances of using the software.
Budgeting software
Interaction with the contractor
If you do not plan to carry out all the work yourself, then the estimate for heating repairs or for the installation of all heating circuits is agreed upon with the organization directly involved in the installation of heating equipment. In this case, most likely, it will be necessary to refine and clarify the amounts indicated in the project documentation.
The contractor is provided with:
- Assignment for installation of engineering systems.
- Planned design of the facility and finishing methods.
- Drawings and accompanying documents included in the project.
Based on these documents, the final list of works, their planned duration and price are formed.
Parameters for calculation
There is also the possibility of holding tenders between design organizations, when the design estimate based on the same initial data is compiled by several companies. All you have to do as a customer is choose the most attractive option.
Typical components of an estimate
What should be included in such a document? Below we provide an example of an estimate for heating (albeit without taking into account prices), which will help you get an idea of the scope of work and give you the opportunity to navigate the cost.
The cost of equipment constitutes the main share of costs
In addition to the mentioned design documentation, the estimate includes devices and materials:
- Heat generator (boiler, stove or fireplace).
- Heating radiators.
- Pumps for coolant distribution.
- Automatic system control devices.
- Pipelines (made of polypropylene, metal or metal-plastic).
- Fittings for corresponding pipelines.
- Shut-off valves (taps and valves).
- Materials for thermal insulation of pipelines.
The procedure for performing, the scope and cost of installation or repair work is also described:
Performing installation
- Installation, connection and configuration of the heat generator.
- Connecting boilers to chimneys or installing smoke exhaust systems separately.
- Connecting and laying heating circuits (sometimes this item includes work on making holes in the walls for laying pipelines).
- Installation of a "warm floor" system
- Securing and connecting radiators.
- Installation and commissioning of a system that automatically regulates the temperature in the room.
- Fare.
Of course, this is only a very approximate list, and depending on the type of system and the characteristics of the repair work, the materials and operations performed will differ. For example, very often the commissioning work is undertaken by the boiler or furnace manufacturer, which significantly reduces costs.
Conclusion
A well-prepared estimate for repairing a heating system or installing heating equipment is the key to rational spending of time and money. So it’s better to spend time on preparation, but in the end get a result that is impeccable in both price and quality.
otoplenie-gid.ru
ESTIMATE FOR HEATING IN AN APARTMENT
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The estimate for heating in an apartment is the amount of costs for installing a system for heating the apartment’s premises during the cold season to replenish heat losses and maintain the required temperature. As a rule, heating is understood as a central water heating system for a building, but this can easily include air heating using climate control units (fan coil units, air conditioners) and electric heating (heating cables, oil radiators, convectors, infrared radiators).
It turns out that these works should be classified as sanitary or electrical installations. We divided the heating of the apartment into two parts: this article describes the design of the system and relates to construction, and the article, the estimate for heating repairs in the apartment contains information about work with existing communications. Although a modern apartment in high-rise buildings is always equipped with central heating, this system can be redesigned to suit the appearance and location of the heating devices.
First of all, let’s make a reservation that heating with electricity and climate control equipment should be classified in other topics, but here we need to deal with central heating. In such a system, the source generating heat (boiler room of the building, combined heat and power plant) is located outside the apartment and only heat pipes (heating pipelines), fittings (taps, air vents, three-way valves, heat regulators), control and measuring instruments (pressure gauges, heat consumption meters) are located in the premises. , heating devices (radiators, convectors, finned pipes) and, in rare cases, automation (control units with sensors, valves, etc.). The coolant in the systems is water, in which the use of additives is allowed at external air temperatures below -40 ºС.
Carrying out estimates for any utility networks (water supply, heating, sewerage) and building structures (floors, walls) should always be done on the basis of certain design data. Although this sounds like the need to create a project several centimeters thick, we hasten to please you that for apartments, sometimes it is enough to comply with the necessary regulatory requirements, make a series of simple engineering calculations and a few drawings. However, without the use of theoretical skills, it is impossible to achieve a high-quality result; difficulties will certainly arise when setting up a network, some works will begin to be reworked, others will appear in the form of additional ones.
An estimate without elaboration is always approximate and often leads to the need to make quick repairs due to violations in technologies that the contractor can simply overlook. To achieve a high-quality result, we adopted a method for calculating estimate documentation, which we called the “rule of expediency.” This “rule” states that a technical and economic solution should be developed that will require the least cost, the shortest possible time and will fully comply with the requirements of regulatory documents and the needs of the customer.
Preparation of estimates for heating work begins with the collection of primary data. Since the project for apartments is carried out extremely rarely, the requirements for the qualifications of the cost estimate engineer are very, very high. In the work it is necessary to use: drawings and diagrams (including plans for the placement of plumbing fixtures, the location of heating risers), photographs of the facility, commercial offers from contractors or suppliers of material and equipment, the requirements of the operating organization for the heat transfer of devices in the premises and other data.
Due to the limited detail and frequent absence of this information, the estimating engineer must be prepared to travel to the site, where he will need to independently examine the condition of existing structures and communications, take measurements, negotiate with the contractor, a representative of the operating company, and conduct photo and video shooting of the heating system . Only after this does the direct calculation of the estimate begin, namely, the main construction volumes should be calculated and the choice of construction technologies and materials should be made in accordance with the “rule of expediency.”
When making decisions, our estimating engineers use the entire set of theoretical and practical knowledge in the heating network. As a result of individual development, an estimate template is obtained, which passes our internal control and the preparation of the estimate enters the final stage, at which it is necessary to clarify the scope of work, determine the consumption of materials and set current prices (salaries of workers, equipment, materials). This estimate differs significantly from many others in that it saves the customer money and also shows the real cost of the object.
The purpose of heating is to create a comfortable microclimate, so it is important to make several engineering calculations that will allow you to choose the right heating device, since in rooms for various purposes the optimal temperature during the cold season is set within 16-26 ºC.
In particular, the wrong choice of heat transfer from radiators leads to overpayments for products, excess or lack of heat in the room, constant need for adjustment, damage to the finish (including the appearance of mold), and frosting of window glass. Naturally, we must not forget about compliance with regulatory documentation, so it is worth talking a little about the conditions that affect the estimated prices.
By this we mean recommendations or prohibitions on the use of materials, installation methods, indoor air parameters, fire safety, etc. This is directly related to the composition of the estimate documentation, since an inexperienced contractor may include in the estimate pipes that are not intended for the temperature of the water in the heating network or, conversely, forget about the mountings for radiators.
The less theoretical and practical knowledge the estimator has, the more such mistakes he will make; as a result, the estimated cost will be incorrectly determined, and the quality of the work will be low, plus he will have to correct all the mistakes, spending money and time on it.
The design of heating risers in a building can be one-pipe or two-pipe, and the laying can be horizontal or vertical. The coolant supply to heating devices can be carried out directly from the riser or through a distribution unit, the latter is found in buildings without risers in each room (usually historical buildings). The distribution unit is located in a special cabinet and consists of a comb (manifold), ball valves, an air vent, a heat meter, control valves and other equipment and devices that are selected individually for each facility.
Copper, polyethylene, polypropylene, metal-polymer and steel pipes are used for the heating network. The use of steel pipes is limited due to low durability and the need for welding; they are used only for the installation of individual connections to devices on steel single-pipe risers. Estimates are supposed to indicate connecting parts and materials, so it is necessary to clearly understand what connections will be used when installing pipelines. The assembly of pipe assemblies is done by welding - for steel, copper, polypropylene and polyethylene; soldering – for copper; pressing – for metal polymer and polyethylene.
Hidden installation of heating pipes can only be done if easy replacement is ensured, so pipes can be embedded in special casings or laid in channels, shafts, grooves, behind baseboards and screens. Detachable connections and fittings must be made accessible, that is, placed openly or special hatches installed for maintenance. At the intersection of the pipeline with walls and partitions, it is necessary to install sleeves made of non-flammable materials, and the gap between the heating pipe and the case is filled with a heat-resistant sealant, which allows the pipe to move freely (the pipeline constantly lengthens and contracts depending on the temperature of the water being moved).
Heating pipes should be insulated to reduce the risk of burns, and uninsulated pipes should not be adjacent to building structures (floors, ceilings, walls), otherwise there is a risk of damage to the finish.
The number of fasteners is calculated for each type of pipe separately, the largest number is suitable for highly expanding polymer pipes (polypropylene and polyethylene), the smallest for metal ones.
A variety of fittings are installed on heating pipelines and heating devices: three-way valves, double adjustment valves, valves, check valves, air vents, thermostats. Most fittings are installed in distribution units, on the supply pipeline to heating devices and on the devices themselves. The fittings must be suitable for heating systems, that is, have sufficient heat resistance. The connection of the pipeline and fittings is made by welding or threading with mandatory sealing with fluoroplastic tape, flax strands or heat-resistant gaskets (when connecting with union nuts).
Control and measuring instruments (pressure gauges, thermometers, sensors, metering devices) are placed in distribution units. Remote temperature sensors of thermostats installed on heating devices are used in the case of using decorative screens. All devices have a threaded connection and their installation is similar to fittings. It is important to remember that some devices require power and you will have to provide a connection to the electrical network.
Heating appliances in apartments are the main source of heat; pipes also give off a small amount of heat. There are several types of appliances that differ from each other in design; two of them are common in apartments - convectors and radiators. The transfer of over 75% of heat by convection is a feature of convectors; they have a large contact area with air due to numerous thin ribs. Radiators are devices whose radiation heat transfer is 25-50% of the total; usually these are sectional devices with a smooth or textured surface, in which the coolant moves through internal cavities. The material of heating devices is different; there are cast iron, steel, aluminum, copper, brass, combined (in particular aluminum-copper) and other devices. Convectors arrive at the site in finished form, and radiator sections can be assembled at the factory or at a construction site; in the latter case, it is necessary to take into account their assembly on nipples using gaskets and testing (hydrostatic method with further drying).
Heating devices can be equipped with a whole range of equipment and devices: automatic thermostats, three-way valves, ball valves, air vents. For all types of heating devices there are minimum distances to the floor, walls and window sill, which must be taken into account when choosing the size of the product, as well as protective and decorative screens. In particular, radiators should be installed at a distance of 60 mm or more from the floor, and 50 mm or more from the bottom surface of the window sill or the bottom of the window opening. The devices should be placed under light openings, and the length in apartments should be at least 50% of the length of the opening. Decorative screens and grilles must be removable; you cannot install permanent boxes that interfere with the maintenance of fittings and cleaning of devices.
Heating appliances are installed on brackets or stands, so their number must be calculated and included in the estimate for each product, since they are rarely included in the factory configuration. It is necessary to especially carefully select fasteners for radiators, which sometimes weigh several times heavier than convectors. The fasteners are installed in concrete or brickwork, and if the wall is hollow or made of foam blocks, then you need to calculate the reinforcement, which will be strong enough.
In apartments, such equipment is rare; this includes various control units for coolant parameters (pressure, temperature), relays, pressure regulators, temperature sensors in rooms. This is a very expensive way to regulate the microclimate in rooms and it is advisable to carry it out in large apartments with a distribution manifold.
Estimation work must be entrusted to professionals who have sufficient experience in the design and conduct of construction work and can reasonably prove the need to use a particular technology and materials. To get the most benefit, you should contact as early as possible, that is, before the start of work, when we can carefully study the object and make that unique, best offer. This can be easily verified if you look at the “prices” section, where we have collected the most frequent examples of customer requests and determined their benefits in monetary terms.
